Only time will tell! Many questions have been asked, and here we attempt to answer them. Please enter your email address. Others have suggested that the whales have been affected by noise from seismic surveys in the region. Blue-grey mottled with light grey spots. The lower part of the caudal peduncle has a robust ridge. When they come up to the surface for air and you see then for the first time you realise how small and insignificant we are as human beings.
Encyclopedia of Marine Mammals. The diameter of the aortic arch increases as it leaves the heart. The choroid is very thick and contains a fibrous tapetum lucidum. Eastbound in a hurry. More dolphins … might be quite a few.
Retrieved 25 May To resolve the problem, please clear your Safari browser cache: More dolphins … might be quite a few. Sun, 11 Feb - 4 items. The grooves between the knobs trap a consistent film of air, making it an excellent sound mirror.
View February 26, Once sperm whales travel south of the Dogger Bank, they almost invariably strand. Between spells of deep sea diving, they ingest oxygen by blowing for up to 15 minutes. View April 3, And history shows that they typically strand when they occur in the southern North Sea and this has occurred for centuries long before wind turbines had been invented. During the 20 th century, at least three-quarters of a million were killed, largely between and , with peak catches in the s and s. The flippers are chunky and paddle-shaped.